Side by side

Tornek-Rayville Blakjak Time-elapsevsTudor Black Bay One 31 S&G

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Blakjak Time-elapse
Tornek-RayvilleBlakjak Time-elapse
MSRP $895
Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850

At a glance

13 of 29 specs differ
Diameter
Blakjak Time-elapse42.5mm
Black Bay One 31 S&G31mm
Power Reserve
Blakjak Time-elapse42h
Black Bay One 31 S&G50h
Water Resistance
Blakjak Time-elapse200m
Black Bay One 31 S&G100m
MSRP
Blakjak Time-elapse$895
Black Bay One 31 S&G$6,850

Full specifications

Case

8 specs
Category
Diver
Diameter
42.5mm
31mm
Thickness
13.2mm
9.5mm
Lug-to-Lug
49mm
46mm
Lug Width
22mm
17mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
200m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Lume
Superluminova
None

Movement

2 specs
Caliber
SII NH36
MT5201
Power Reserve
42h
50h

Pricing

1 specs
MSRP
$895
$6,850

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Tornek-Rayville Blakjak Time-elapse

The Tornek-Rayville Blakjak Time-elapse is a rugged, dive-capable field watch, an evolution of a 1990s military concept. It features a 42.5mm stainless steel case, a sapphire crystal, and a Seiko NH36 automatic movement with a 40-hour power reserve. The dial is busy but functional, and the watch features Super-LumiNova BGW9. On balance, reviewers note the Tornek-Rayville Blakjak Time-elapse is a modernized military watch with robust dive capabilities.

Tudor Black Bay One 31 S&G

The Tudor Black Bay One 31 S&G is praised for its quiet luxury, combining brushed steel and warm gold accents for understated charm. Owners appreciate the brushed gold for a casual two-tone look and the champagne dial's surprising legibility. Some find the case sides too thick, and one user expressed a desire for a smaller S&G variant. The watch features the MT5612 movement with a 70-hour power reserve and a date function, within a 200-meter water-resistant case. Overall, owners and reviewers highlight the Tudor Black Bay One 31 S&G's balanced two-tone aesthetic as its primary appeal.

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